<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>

  <style>
    .bg-image {
      background: url('./img/404_icon.png') no-repeat center 1px;
    }
  </style>

</head>
<body>

<div class="bg-image " style=”display”></div>

</body>
<script>
  (function () {
    var a = b = 5;
  })();
  console.log(b);


</script>
</html>